The two men looked at one another for the space of some seconds, and there was an indefinable quality in their silence which for the first time made me admit a swift question into my mind; and I wondered a little at my rashness in coming with so little reflection into a big case of this incalculable doctor. But no answer suggested itself, and to withdraw was, of course, inconceivable. The gates had closed behind me now, and the spirit of the adventure was already besieging my mind with its advance guard of a thousand little hopes and fears.

Explaining that he would wait till after dinner to discuss anything serious, as no reference was ever made before his sister, he led the way upstairs and showed us personally to our rooms; and it was just as I was finishing dressing that a knock came at my door and Dr. Silence entered.